ball of fire vs tired

ball of fire

noun
  • A person who is especially hard-working, high-achieving, ambitious, or active. 

tired

adj
  • ineffectual; incompetent 

  • In need of some rest or sleep. 

  • Fed up, annoyed, irritated, sick of. 

  • Overused, cliché. 

How often have the words ball of fire and tired occurred in a corpus of books? (source: Google Ngram Viewer )